playing out across the region, in the desperate hours since sandy hit. last night, new york police helicopters airlifted staten island residents off their roof. up and down the jersey shore, scenes of devastation. house after house, crumpled to bits. and for many, stranded here in hoboken, there's no relief in sight. and diane, i'm standing in what's supposed to be a busy intersection. but if you look around, as far as the eye can see, nothing but water. and of course, for the people who live here, the urgency is only growing. diane? >> thank you, alex. >>> and these rescue scenes bring us to an update, the ones you saw in alex's report, because they include some heroes of the storm you have met before. as sandy crashed into new york, i went to meet with the nypd's scuba rescue team and they are preparing to brave 20-foot waves in the dark of the night to help anyone in trouble, but they tell me today, they did not have to rescue a single new yorker in the waters, so, they boarded those rescue helicopters. they were there, airlifting people off the rooftop in staten island. a grate